38.下列何者與降低病人輻射劑量較無關?
(A)reconstruction algorithms
(B)tube current modulation
(C)reconstruction diameter
(D)scan range
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統計: A(736), B(382), C(883), D(143), E(0) #1150437
統計: A(736), B(382), C(883), D(143), E(0) #1150437